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Problem fitting stereo

Yendor35 Aug 11, 2018

  1. Yendor35

    Yendor35 New Member

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    Hi Guys.

    I have a 2003 A4, yesterday my symphony headunit stopped working. So I went out and bought a new Sony head unit, along with the fascia plate and a wiring loom adapter.
    Here’s the proble. Everything fitted exactly as it should apart from I have no power to the stereo?
    On the wiring loom adapter there is 5 pins, on my original Audi loom it has 4 pins only 2 of these connect to the adapters pins?
    Please can anyone advise me on if I need to move any of the other pins? If not, what do I need to do to get power to the new head unit?
    Thanks in advance.
     
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  3. Avant1

    Avant1 V6 Grunt

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    You need an ignition live


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  4. Avant1

    Avant1 V6 Grunt

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    Ps did you check the fuses etc for the original headunit too ?


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  5. matt66604

    matt66604 Active Member VCDS Map User

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    I’m sure the newer B6 units are switched on via can-bus. So there is only a 12v constant and can hi-lo. As mentioned above. Wire in a 12v ignition feed.
     

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